-/* $Id$ */
-
/* signal( int sig, void (*func)( int ) )
This file is part of the Public Domain C Library (PDCLib).
*/
#include <signal.h>
+#include <errno.h>
#ifndef REGTEST
-#include <stdlib.h>
-
-static void default_handler( int sig )
-{
- /* TODO: Implement error message */
- exit( EXIT_FAILURE );
-}
-
-void (*_PDCLIB_sigabrt)( int ) = default_handler;
-void (*_PDCLIB_sigfpe)( int ) = default_handler;
-void (*_PDCLIB_sigill)( int ) = default_handler;
-void (*_PDCLIB_sigint)( int ) = default_handler;
-void (*_PDCLIB_sigsegv)( int ) = default_handler;
-void (*_PDCLIB_sigterm)( int ) = default_handler;
+void (*_PDCLIB_sigabrt)( int ) = SIG_DFL;
+void (*_PDCLIB_sigfpe)( int ) = SIG_DFL;
+void (*_PDCLIB_sigill)( int ) = SIG_DFL;
+void (*_PDCLIB_sigint)( int ) = SIG_DFL;
+void (*_PDCLIB_sigsegv)( int ) = SIG_DFL;
+void (*_PDCLIB_sigterm)( int ) = SIG_DFL;
void (*signal( int sig, void (*func)( int ) ) )( int )
{
void (*oldhandler)( int );
+ if ( sig <= 0 || func == SIG_ERR )
+ {
+ return SIG_ERR;
+ }
switch ( sig )
{
case SIGABRT:
_PDCLIB_sigterm = func;
break;
default:
- /* TODO: Implement. */
- break;
+ errno = EINVAL;
+ return SIG_ERR;
}
return oldhandler;
}
#endif
#ifdef TEST
-#include <_PDCLIB_test.h>
+#include "_PDCLIB_test.h"
int main( void )
{
- TESTCASE( NO_TESTDRIVER );
+ /* Testing covered by raise.c */
return TEST_RESULTS;
}
#endif